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| Ordering number : ENA0207 Monolithic Linear IC LA1652C Overview Time Code Reception IC The LA1652C time code reception IC receives long-wave time standard broadcasts (such as the Japanese JJY and German DCF77 standards) and detects and outputs the time code superposed on the long-wave signal. Applications can automatically correct their clock's time setting by using the time code received by the LA1652C. Note that the LA1652C is a bare chip product that is not packaged. Functions * RF amplifier, rectifier, detector, time code output, and standby circuit. Features * Low-voltage operation (operating VCC as low as 1.8V). * Standby mode current drain less than or equal to 0.1A. Japan : JJY 40/60kHz Germany : DCF77 77.5kHz Specifications Maximum Ratings at Ta = 25C Parameter Maximum supply voltage Operating temperature Storage temperature Symbol VCC max Topr Tstg Conditions Ratings 5.0 -20 to +70 -40 to +125 Unit V C C Operating Conditions at Ta = 25C Parameter Recommended supply voltage Operating supply voltage range Symbol VCC VCC op 1.8 Conditions min Ratings typ 3.0 3.6 max V V Unit Any and all SANYO Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor products described or contained herein. 92706 / 12506 MS OT B8-6641 No.A0207-1/5 LA1652C Operating Characteristics at Ta = 25C, VCC = 3.0V * : Packaged in an SSOP16 package and measured using the IC51-0162-911 socket (Yamaichi Electronics Co., Ltd.) Overall Characteristics Parameter Quiescent current Standby mode current drain Symbol ICCO ISTB No input PAD15 = 3.0V Conditions min Ratings typ 55 0.01 max 70 0.1 A A Unit Amplifier Input Characteristics Parameter Input impedance Input frequency range Minimum input voltage Maximum input voltage Symbol ZI FIN VMIN VMAX PAD1 input level PAD1 input level 50 PAD1 37.5 1 100 Conditions min Ratings typ 2.0 80.0 2 max M kHz Vrms mVrms Unit TCO Output Characteristics - Input pad = PAD1, fin = 40kHz Parameter High-level output voltage Low-level output voltage Output pulse width (500 ms input) Output pulse width (800 ms input) Output pulse width (200 ms input) T200 T800 Symbol VOH VOL T500 VIN = 0 to 100dBV, AM modulation (1Hz square wave, duty = 50%, 10:1 modulation) VIN = 0 to 100dBV, AM modulation (1Hz square wave, duty = 80%, 10:1 modulation) VIN = 0 to 100dBV, AM modulation (1Hz square wave, duty = 20%, 10:1 modulation) 350 650 100 Conditions min 2.90 Ratings typ 2.95 0.05 450 750 200 0.10 550 850 300 max V V ms ms ms Unit No.A0207-2/5 LA1652C Chip Specifications Parameter Chip size Chip thickness Pad size Pad opening Conditions Ratings 1.73x2.60 330(20) 140x140 115x115 Unit mm2 m m2 m2 PAD Coordinates PAD P1 P2 P3A P3B P4 P5 P6A P6B P7 P8 X-Axis 664 180 150 150 150 150 150 150 160 876 Y-Axis 150 180 864 372 1034 1563 2269 1733 2440 2450 P9 P10 P11 P12 P13 P14 P15 P16 PAD X-Axis 1293 1580 1580 1580 1580 1580 1570 974 Y-Axis 2450 2330 2103 1754 1360 1108 160 150 Notes 1. The left upper corner of the Pad Layout Diagram on the following page is the origin, the X axis increases to the right and the Y axis increases in the downward direction. 2. Units : m 3. The pad coordinates give the coordinate values of the center of the pads. 4. Both of each of the pairs P3A/P3B (VCC) and P6A/P6B (ground) must be bonded. No.A0207-3/5 LA1652C Pad Layout Diagram PCA00615 Block Diagram 16 15 14 13 12 11 10 9 REGULATOR AGC FILTER DECODER AGC-AMP AMP RECTIFIER 1 2 3 4 5 6 7 8 PCA00616 No.A0207-4/5 LA1652C Test Circuit Diagram NORMAL 470pF 10000pF 10000pF 0.47F TCO AGC HOLD NORMAL 47000pF STANDBY 16 15 14 13 12 11 10 9 LA1652 1 51 2 3 ICC A 4 5 2pF 100k 6 7 8 10000pF VCC 0.47F Signal Generator : Zo=50 15pF 40kHz crystal PCA00617 Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Semiconductor Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor products (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Semiconductor Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 2006. Specifications and information herein are subject to change without notice. PS No.A0207-5/5 |
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